Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 Current Affairs Science and Technology
Consider the following statements regarding science of electronics:
1. Peizoelcetric materials generate a surplus and deficiency of electric charge at opposite ends when subjected to pressure.
2. Clouds generate lightning through the same principle as electric sparks in stove lighters.
3. A stove lighter is essentially an electric charge flying in the air between two points, one with a surplus of electrons and the other with a deficiency.
Which of the statements given above is/are correct?
1
1 and 2 only
2
2 and 3 only
3
1 only
4
1, 2, and 3